Chapter 16/17 Review Answer Key
The deepest region of the epidermis is the
Basal layer
Increased growth of cells in the horny (keratinized) layer of the epidermis
Callus
Clouding of the lens; causing decreased vision
Cataract
Intensely unpleasant burning sensation in skin
Causalgia
Waxy substance secreted by the external ear
Cerumen
Structural protein found in the skin and connective tissue
Collagen
Delicate membrane lining the eyelids and covering the anterior eyeball
Conjuctiva
Bedsore
Decubitus ulcer
Scraping away if skin (to remove tattoos or fine wrinkles)
Dermabrasion
Double vision
Diplopia
Most numerous of sweat producing glands in the skin
Eccrine sweat gland
Fluid within the labyrinth of the ear
Endolymph
Inward deviation of the eye
Esotropia
Channel between the middle ear and the nasopharynx
Eustachian tube
Outward deviation of the eye
Exotropia
Groove or crack-like sore
Fissure
Death of tissue associated with loss of blood supply
Gangrebe
Sac within which each hair grows
Hair follicle
Loss of vision in one half of the visual field
Hemianopsia
Localized purulent infection of a sebaceous gland in the eyelid
Hordeolum (stye)
The skin and it's accessory structures, such as hair and nails
Integumentary system
Abnormal condition of thickened area of the epidermis
Keratosis
Inflammation of skin with yellow or brown gray greasy scales (dandruff)
Seborrheic dermatitus
An oily substance secreted by sebaceous glands is
Sebum
Abnormal deviation of the eye (esotropia and exotropia)
Strabismus
The outermost layer of the epidermis, consisting of flattened keratinized cells is the
Stratum corneum
Absence of the lens of the eye
Aphakia
Large dermal exocrine gland; located in axilla and genitals
Apocrine sweat gland
Fluid produced by the ciliary body; circulates through the anterior chamber of the eye
Aqueous humor
Defective curvature of the cornea or lens of the eye
Astigmatism
Channel leading from the outer ear flap to the eardrum
Auditory meatus
Malignant tumor of cells in the epidermal layer of the skin
Basal cell carcinoma
Popular and pustular eruption of the skin; comedones occur
Acne
A fat cell is a/an
Adipocyte
Condition of absence of pigment in the skin
Albinism
Baldness
Alocepia
Condition of white plaques (spots or patches) on the tongue or cheek
Leukoplakia
Progressive damage to the yellowish region on the retina (lateral to and slightly below the optic disc)
Macular degeneration
Flat lesion, measuring less than 1 cm in diameter; freckle
Macule
Pigment that gives the skin color
Melanin
Nearsightedness
Myopia
Point at which optic nerve fibers cross in the brain
Optic chiasm
Region at the back of the eye where the optic nerve meets the retina
Optic nerve
Sensitive auditory receptive area in the cochlea of the inner ear
Organ of corti
Hardening of bony tissue in the inner ear; ankylosis of the stapes may occur
Otosclerosis
Membrane between the middle and inner ear
Oval window
A small solid elevation of the skin (pimple)
Papule
Small (less than 1 cm in diameter) solid elevation of the skin
Papule
Growth extending from the surface of a mucous membrane
Polyp
Impairment of vision due to old age
Presbyopia
Itching
Pruritus
Chronic, recurrent dermatosis marked by itchy, scaly, red patches covered by silvery, gray scales
Psoriasis
Large areas of bleeding under the skin
Purpura
Papule containing pus
Pustule
Bending of light rays by the cornea, lens, and fluids of the eye to bring them into focus on the retina
Refraction
Infection of the skin caused by a fungus
Tinea
Eardrum
Tympanic membrane
Inflammation of the vascular layer of the eye
Uveitis
Sensation of irregular or whirling motion either of oneself or of external objects
Vertigo
Small collection of clear fluid (serum); blister
Vesicle
Loss of pigment in areas of the skin
Vitiligo
Jelly like material behind the lens; helps to maintain the shape of the eyeball
Vitreous humor
A smooth, slightly elevated, edematous area that is redder or paler than the surrounding skin
Wheal
Condition of dry eyes
Xerophthalmia
Blush black marks on the skin caused by hemorrhages into the skin
ecchymoses